Commitments and Contingencies (Details 3) (Employment agreements, USD $)	1 Months Ended
	Jun. 30, 2011 President/ chief executive officer item	Jun. 30, 2011 Senior vice president/chief financial officer item	Jun. 30, 2011 Other senior vice presidents item	Jun. 30, 2011 Other senior vice presidents Minimum	Jun. 30, 2011 Other senior vice presidents Maximum	Apr. 30, 2012 Senior vice president item
Employment Agreements
Term of agreement	3 years	3 years	2 years			2 years
Annual base salary	$ 450,000	$ 365,000		$ 220,000	$ 230,000	$ 240,000
Cash payment to be made to employee as a multiplier of the sum of the current calendar year's base salary plus prior year's annual cash incentive bonus	2.99	2.99	2			2
Period for which health insurance benefits will be given	36 months	36 months	24 months			24 months
Percentage of acceleration to vested status for all stock, stock option and other equity awards	100.00%	100.00%	100.00%			100.00%
Number of employees with whom the entity entered into the agreement			2			1